0 having a small distance between two opposite sides -- 薄的;细的
1 (of the body) with little flesh on the bones -- (身体)瘦的,不肥的
3 having only a small number of people or a small amount of something -- 数量少的
4 (of a liquid) flowing easily -- (液体)稀的,不黏稠的
a thin soup 稀汤
6 to make a substance less thick, often by adding a liquid to it -- 使变稀,稀释
7 When a crowd or a group thins (out), it becomes fewer in number, and when you thin (out) a group of plants or other things, you remove some to make them fewer. -- (使)变少